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Finding the Fourth Proportional to 129,613.01, 194,244.54 and 67,327.25

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Solution

The fourth proportional to 129,613.01, 194,244.54 and 67,327.25 is: 100,899.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,613.01 : 194,244.54 = 67,327.25 : x
  2. Step 2: Convert to fraction form
    129,613.01/194,244.54 = 67,327.25/x
  3. Step 3: Cross multiply
    129,613.01x = 194,244.54 × 67,327.25
  4. Step 4: Simplify right side
    129,613.01x = 13,077,949,734.49
  5. Step 5: Solve for x
    x = 13,077,949,734.49/129,613.01
  6. Step 6: Final answer
    x = 100,899.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.